E-mail (Jan 8, 2011): "We are now up to $802k in 22,937 copies (as of this e-mail). We have gotten funding from angel investors and through pre-sales through our community but our pre-sales have outweighed the investment at this point (and continue helping us going forward). The 10k units only counts units sold in the closed beta (and we haven't hit that yet but we're close).

That's fine if you want to publish this data for your talk or to the public. I know how frustrating it was to need data like this when we were starting the company and not being able to find it anywhere. Good luck."
Many thanks to Unknown Worlds for their support!